In Germany a public discussion on the power of banks has been going on for decades now with the term power having at least two meanings. On the one hand, it denotes the power of banks to control public corporations through direct shareholdings or the exercise of proxy votes this is the power of...

A growing body of literature indicates that competition increases bank soundness. Applying an industrial organization based approach to large data sets for European and U.S. banks, we offer new empirical evidence that efficiency plays a key role in the transmission from competition to soundness....